CN104241331A - OLED display panel and manufacturing method - Google Patents
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- CN104241331A CN104241331A CN201410480691.XA CN201410480691A CN104241331A CN 104241331 A CN104241331 A CN 104241331A CN 201410480691 A CN201410480691 A CN 201410480691A CN 104241331 A CN104241331 A CN 104241331A
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Abstract
The invention discloses an OLED display panel and a manufacturing method. The OLED display panel and the manufacturing method solve the technical problem that the chromaticity of an OLED display panel in the prior art is not uniform. The OLED display panel comprises a red pixel device, a green pixel device and a blue pixel device, and is characterized in that the dosage concentration of the light-emitting layers of the red pixel device, the green pixel device and the blue pixel device is increased gradually from the center point of the OLED display panel to the area outside the center point. In this way, the chromaticity coordinates of the same color pixel change gradually from the center of the OLED display panel to the area outside the center, so that when a user obverses the OLED display panel from the obverse side, the chromaticity of the same color pixel on the OLED display panel is basically the same, and it is ensured that in the observation process from the obverse side, the chromaticity of the observed same color pixel is uniform.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to the manufacture method of a kind of OLED display panel and OLED display panel.
Background technology
In OLED display panel, the chromaticity coordinates of each colored pixels is identical, and namely the chromaticity coordinate of all red pixels is identical, and the chromaticity coordinate of described green pixel is identical, and the pixel coordinate of all blue pixel is identical.
As shown in Figure 1, the perception chromatic diagram of vision system to colourity of people quantizes, and schemes the colourity of upper each some expression color, and the chromaticity coordinate of this color is used
or
represent, wherein
,
.The colourity of each pixel in OLED display panel can quantize by chromaticity coordinate on a chromaticity diagram, for each pixel in OLED display panel, when user changes the visual angle of observation, there is chromaticity distortion in the perception of vision system to the colourity of same colored pixels of people.
Concrete such as shown in Figure 2, user is positioned at A point place, and during the viewing OLED display panel of front, the chromaticity coordinate of observing a kind of colored pixels in central point O point place in OLED display panel is
, when observing point of observation B point (or C point) of the central point O point left side (or right side), namely sight line left (or to the right) deviation angle a observation B point (or C point) time, the chromaticity coordinate of B point (or C point) this kind of colored pixels in place observed is then
.Now, be in the chromaticity distortion existed when same position observes the pixel of same color just to show
with
not identical, its deviation
with
calculate.
Because in display floater of the prior art, red pixel has identical colourity, its chromaticity coordinates is consistent in whole display screen, red pixel and blue pixel as the same, so when watching in front, the pixel of same color is due to the difference of its locus, cause the colourity difference to some extent when entering human eye, and then make the image observed there is chromaticity distortion.It can thus be appreciated that OLED display panel exists the uneven problem of colourity, and this problem can cause the obvious deviation of shade of color, obviously reduce the visual effect of color.
Summary of the invention
The object of this invention is to provide a kind of OLED display panel and manufacture method, to solve the technical problem that in prior art, the colourity of OLED display panel is uneven.
The object of the invention is to be achieved through the following technical solutions:
Provide a kind of OLED display panel, described OLED display panel comprises red pixel device, green pixel device and blue pixel device; The chromaticity coordinate of described red pixel device is
, the chromaticity coordinate of described green pixel device is
, the chromaticity coordinate of described blue pixel device is
; From the central point of described OLED display panel, to described central point with exterior domain, the doping content of described red pixel device luminescent layer progressively increases, and makes
progressively increase,
progressively reduce; From the central point of described OLED display panel, to described central point with exterior domain, the doping content of described green pixel device luminescent layer progressively increases, and makes
with
progressively increase; From the central point of described display floater, to described central point with exterior domain, the doping content of described blue pixel device luminescent layer progressively increases, and makes
with
progressively reduce.
Further, described OLED display panel is divided into the subregion of N number of decile successively with exterior domain from described central point to central point, and the colourity doping content in described subregion increases progressively with exterior domain from described central point successively to central point.
Further, described N equals 10, described in the step-length that increases progressively be 5%.
Further, the chromaticity coordinate variable quantity of described red pixel device meets
, the chromaticity coordinate variable quantity of described green pixel device meets
, the chromaticity coordinate variable quantity of described blue pixel device meets
.
Additionally provide a kind of manufacture method of display floater, described OLED display panel comprises red pixel device, green pixel device and blue pixel device; The chromaticity coordinate of described red pixel device is
, the chromaticity coordinate of described green pixel device is
, the chromaticity coordinate of described blue pixel device is
; From the central point of described OLED display panel, to described central point with exterior domain, progressively increase the doping content of described red pixel device luminescent layer, to make
progressively increase,
progressively reduce; From the central point of described OLED display panel, to described central point with exterior domain, progressively increase the doping content of described green pixel device luminescent layer, to make
with
progressively increase; From the central point of described OLED display panel, to described central point with exterior domain, progressively increase the doping content of described blue pixel device luminescent layer, to make
with
progressively reduce.
Further, described OLED display panel is divided into successively the subregion of N number of decile with exterior domain from described central point to central point, the colourity doping content in described subregion increases progressively with exterior domain from described central point successively to central point.
Further, described N equals 10, described in the step-length that increases progressively be 5%.
Further, the chromaticity coordinate variable quantity of described red pixel device meets
, the chromaticity coordinate variable quantity of described green pixel device meets
, the chromaticity coordinate variable quantity of described blue pixel device meets
.
Compared with prior art technique effect of the present invention or advantage are: OLED display panel provided by the invention and manufacture method, the red pixel device of adjustment OLED display panel, the doping content of the luminescent layer of green pixel device and blue pixel device, make from the center of OLED display panel to center with exterior domain, the chromaticity coordinate of same colored pixels progressively changes, when making user be positioned at front observation OLED display panel, the colourity receiving same colored pixels point in OLED display panel is substantially identical, namely the colourity of red pixel is substantially identical, the colourity of green pixel is substantially identical, the colourity of blue pixel is substantially identical, when ensure that front is observed, the colourity of the same colored pixels seen is uniform, solve the technical problem that in prior art, the colourity of OLED display panel is uneven.
Accompanying drawing explanation
Fig. 1 is CIE1931 chromatic diagram;
Fig. 2 is the schematic diagram that OLED display panel is observed in front;
Fig. 3 is the structural representation of OLED display panel;
Fig. 4 is R, G, B sub-pixel schematic diagram of RGB true color OLED display panel;
The flow chart of the OLED display panel manufacture method that Fig. 5 provides for the embodiment of the present application;
The luminescent layer doping content change schematic diagram of the OLED display panel that Fig. 6 provides for the embodiment of the present application.
Embodiment
The present invention by providing a kind of OLED display panel and manufacture method, to solve the technical problem that in prior art, the colourity of OLED display panel is uneven; By changing the structure attribute of pixel device, when realizing front viewing OLED display panel, the technique effect of the evenness of same colored pixels.
Below in conjunction with accompanying drawing, describe the structure how passing through adjustment red pixel device, green pixel device and blue pixel device in detail, reach the technique effect making OLED display panel evenness.
For RGB RGB true color mode, with just to the center position of OLED display panel for benchmark, along with sight line departs from the increase of central point angle, red chromaticity coordinate
in
in reduction trend,
in increase tendency; Green chromaticity coordinate
in
with
be all reduction trend; Blue chromaticity coordinate
in
with
it is all increase tendency.
Based on the variation tendency feature of the chromaticity coordinate of above-mentioned redgreenblue, the mentality of designing of embodiment provided by the invention is, with the central point of OLED display panel for benchmark, to the region beyond central point, adjust the chromaticity coordinate of red pixel device, green pixel device and blue pixel device respectively, make the chromaticity coordinate of above-mentioned three-color pixel device to the rightabout change along with chromaticity coordinate change when sight line deviation angle increases, such as, the chromaticity coordinate of red pixel device
along with the increase of sight line deviation angle, its
in reduction trend,
in increase tendency, then from central point, to the region beyond central point, by adjusting the chromaticity coordinate of red pixel device from structure, make
in increase tendency,
in reduction trend, make the red pixel device from the region beyond central point, along with the increase of sight line deviation angle, its chromaticity coordinate remains unchanged substantially, thus achieves the uniformity of chromaticity of red pixel device.
Embodiment one
As shown in Figure 3, for the structural representation of OLED display panel, comprise display base plate 10, at the TFT(Thin Film Transistor of display base plate 10 upper strata sequentially built, Thin Film Transistor (TFT)) image element circuit 20, first electrode layer 30, OLED display device layer 40, the second electrode lay 50, and base plate for packaging 60, display base plate 10 and base plate for packaging 60 are fitted together by UV or frit rubber seal.
Wherein, display base plate 10 and base plate for packaging 60 all select common glass substrates; TFT image element circuit 20 can be non-crystalline silicon tft, multi-crystal TFT, oxide TFT, organic tft etc., it comprises the control unit of sandwich construction, comprise grid, gate insulator, active layer and source-drain electrode, and etch pixel electrode (i.e. the first motor layer 30); OLED display device layer 40 comprises the redness of sequentially built, green and blue three kinds of OLED, form RGB tri-pixel arrangement as shown in Figure 4, these three kinds of OLED form by multiple organic function layer, as shown in Figure 6, include but not limited to hole injection layer 401, hole transmission layer 402, luminescent layer 403, electron transfer layer 404 and electron injecting layer 405 etc.; First electrode layer 30 and the second electrode lay 50 are by the light transmission rate both regulating, and can be made into the OLED display panel of the luminous or top luminescence in the end, the electrode of the first electrode layer 30 is connected with the source electrode of TFT image element circuit 20 or drain electrode.
In the embodiment of the present application, OLED display panel comprises and is arranged on the red OLED (i.e. red pixel device) between the first electrode layer and the second electrode lay, green OLED (i.e. green pixel device) and Blue OLED device (i.e. blue pixel device); The chromaticity coordinate of described red OLED is
, the chromaticity coordinate of described green OLED is
, the chromaticity coordinate of described Blue OLED device is
; The OLED of above-mentioned each color is the pixel device of indication in the present invention.
Concrete, the change of chromaticity coordinate is that the doping content of the luminescent layer by progressively increasing red OLED, green OLED and Blue OLED device realizes, the doping content of wherein said luminescent layer refers to, the mass ratio of luminescent layer guest materials and luminescent layer fertile material.
More specifically, from the central point of OLED display panel to the region beyond central point, the subregion that OLED display panel is N number of decile can be divided successively, the doping content of the luminescent layer in described subregion increased progressively with exterior domain to central point successively from central point; Such as, divide the subregion of 10 deciles, make the doping content of the luminescent layer of this 10 sub regions from central point to central point with the incremental steps of exterior domain for 5%, namely reach the effect of 1.5 times put centered by the doping content of outermost subregion.
Then, based on above-mentioned, OLED display panel provided by the invention, comprises red pixel device, green pixel device and blue pixel device, and wherein, the chromaticity coordinate of described red pixel device is
, the chromaticity coordinate of described green pixel device is
, the chromaticity coordinate of described blue pixel device is
; Its feature is exactly, and from the central point of described OLED display panel, to described central point with exterior domain, the doping content of described red pixel device luminescent layer progressively increases, and makes
progressively increase,
progressively reduce; From the central point of described OLED display panel, to described central point with exterior domain, the doping content of described green pixel device luminescent layer progressively increases, and makes
with
progressively increase; From the central point of described OLED display panel, to described central point with exterior domain, the doping content of described blue pixel device luminescent layer progressively increases, and makes
with
progressively reduce.
In more detail, from the central point of OLED display panel to the region beyond central point, the subregion that OLED display panel is N number of decile can be divided successively, the doping content of the luminescent layer in described subregion increased progressively with exterior domain to central point successively from central point; Such as, divide the subregion of 10 deciles, make the doping content of the luminescent layer of this 10 sub regions from central point to central point with the incremental steps of exterior domain for 5%, namely reach the effect of 1.5 times put centered by the doping content of outermost subregion.
Because meet
during condition, the colourity that user sees the pixel found is normal, and when not meeting, the chromaticity distortion of pixel is then obvious, therefore, most preferred, and the chromaticity coordinate variable quantity of red pixel device be made to meet
, the chromaticity coordinate variable quantity of green pixel device meets
, the chromaticity coordinate variable quantity of blue pixel device meets
.
The main points that OLED display panel in the embodiment of the present application realizes evenness are, from the central point of described OLED display panel, to described central point with exterior domain, the doping content of described red OLED luminescent layer progressively increases, to make
progressively increase,
progressively reduce; From the central point of described OLED display panel, to described central point with exterior domain, the doping content of described green OLED luminescent layer progressively increases, to make
with
progressively increase; From the central point of described OLED display panel, to described central point with exterior domain, the doping content of described Blue OLED device luminescent layer progressively increases, to make
with
progressively reduce.
The luminescent layer of OLED, generally comprises a kind of fertile material and at least one guest materials, changes the concentration of luminescent layer, and reality is exactly change the doping ratio of guest materials in fertile material.The chromaticity coordinate of OLED pixel device just can be changed about the doping content changing luminescent layer, be described for the luminescent layer of red OLED, as shown in the table: wherein, A, B are the emitting layer material of two kinds of different doping ratios, Alq3 is green fertile material, DCJTB is red guest material, and after DCJTB is doped into Alq3, luminescent layer main body spectrum is red spectrum.
| Luminescent layer | Doping content | Chromaticity coordinate (u, v) |
| A | 1% | (0.408 , 0.530) |
| B | 3% | (0.424 , 0.527) |
As seen from the above table, along with the increase of red guest material doping content in green material of main part, in its chromaticity coordinate, u increases, and v reduces.In general, when the doping content of red guest material increases from 0.5%-2%-3%-5%, the efficiency of red device significantly increases, and green chromaticity coordinates corresponding respectively slowly increases, therefore, increase the doping ratio of red guest material in fertile material, the change of the chromaticity coordinate of red pixel can be realized.Again such as, when red guest material is IR(piq) 3, and when fertile material is CBP, the change of its doping content is identical with the material of above-mentioned citing.
In like manner, increase the doping ratio of guest materials in fertile material, also can realize the change of the chromaticity coordinate of green pixel and blue pixel.Such as, when green fertile material is Alq3 or CBP, guest materials is C545T or Ir(ppy) 3 time, when the doping content of guest materials increases from 1%-2%-4%-8%, the efficiency of green devices increases; Such as, blue fertile material is DPVBi or TBADN, and when guest materials is DSA-Ph, when the doping content of guest materials increases from 1%-2%-4%-6%, the efficiency of blue device increases.
To sum up, through from central point, to central point with exterior domain, progressively increase the doping content of above-mentioned three kinds of pixel device luminescent layers, make the pixel device for same color, its chromaticity coordinate is to the rightabout change along with chromaticity coordinate change when sight line deviation angle increases, the chromaticity distortion of same colored pixels device is reduced by this change, make the same colored pixels device from the region beyond central point, along with the increase of sight line deviation angle, it is from subjective observation, colourity remains unchanged substantially, thus achieve the technique effect of the uniformity of chromaticity of same colored pixels device.
The embodiment of the present application additionally provides a kind of manufacture method of OLED display panel, and described OLED display panel comprises red pixel device, green pixel device and blue pixel device, and the chromaticity coordinate of described red pixel device is
, the chromaticity coordinate of described green pixel device is
, the chromaticity coordinate of described blue pixel device is
, then as shown in Figure 5, this manufacture method comprises the steps:
Step S61: from the central point of described OLED display panel, to described central point with exterior domain, progressively increases the doping content of described red pixel device luminescent layer, to make
progressively increase,
progressively reduce.
Step S62: from the central point of described OLED display panel, to described central point with exterior domain, progressively increases the doping content of described green pixel device luminescent layer, to make
with
progressively increase.
Step S63: from the central point of described OLED display panel, to described central point with exterior domain, progressively increases the doping content of described blue pixel device luminescent layer, to make
with
progressively reduce.
Certainly, the chromaticity coordinate variable quantity of red pixel device meets
, the chromaticity coordinate variable quantity of green pixel device meets
, the chromaticity coordinate variable quantity of blue pixel device meets
.
The concrete manufacture method of OLED display panel describes in detail in the OLED display panel of above-mentioned introduction, and it will not go into details herein.
The OLED display panel provided by the embodiment of the present application and the manufacture method of OLED display panel, according to the Changing Pattern of each colored pixels along with the increase of sight line deviation angle, by changing the chromaticity coordinate of each colored pixels, make from the center of OLED display panel to center with exterior domain, the chromaticity coordinate of same colored pixels progressively changes, when making user be positioned at front observation OLED display panel, the colourity receiving same colored pixels point in OLED display panel is substantially identical, namely the colourity of red pixel is substantially identical, the colourity of green pixel is substantially identical, the colourity of blue pixel is substantially identical, when ensure that front is observed, the colourity of the same colored pixels seen is uniform, solve the technical problem that in prior art, the colourity of OLED display panel is uneven.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (8)
1. an OLED display panel, described OLED display panel comprises red pixel device, green pixel device and blue pixel device; The chromaticity coordinate of described red pixel device is
, the chromaticity coordinate of described green pixel device is
, the chromaticity coordinate of described blue pixel device is
, it is characterized in that:
From the central point of described OLED display panel, to described central point with exterior domain, the doping content of described red pixel device luminescent layer progressively increases, and makes
progressively increase,
progressively reduce;
From the central point of described OLED display panel, to described central point with exterior domain, the doping content of described green pixel device luminescent layer progressively increases, and makes
with
progressively increase;
From the central point of described OLED display panel, to described central point with exterior domain, the doping content of described blue pixel device luminescent layer progressively increases, and makes
with
progressively reduce.
2. OLED display panel according to claim 1, is characterized in that,
Described OLED display panel is divided into the subregion of N number of decile successively with exterior domain from described central point to central point, the colourity doping content in described subregion increases progressively with exterior domain from described central point successively to central point.
3. OLED display panel according to claim 2, is characterized in that,
Described N equals 10, described in the step-length that increases progressively be 5%.
4. OLED display panel according to claim 3, is characterized in that,
The chromaticity coordinate variable quantity of described red pixel device meets
, the chromaticity coordinate variable quantity of described green pixel device meets
, the chromaticity coordinate variable quantity of described blue pixel device meets
.
5. a manufacture method for OLED display panel, described OLED display panel comprises red pixel device, green pixel device and blue pixel device; The chromaticity coordinate of described red pixel device is
, the chromaticity coordinate of described green pixel device is
, the chromaticity coordinate of described blue pixel device is
, it is characterized in that:
From the central point of described OLED display panel, to described central point with exterior domain, progressively increase the doping content of described red pixel device luminescent layer, to make
progressively increase,
progressively reduce;
From the central point of described OLED display panel, to described central point with exterior domain, progressively increase the doping content of described green pixel device luminescent layer, to make
with
progressively increase;
From the central point of described OLED display panel, to described central point with exterior domain, progressively increase the doping content of described blue pixel device luminescent layer, to make
with
progressively reduce.
6. the manufacture method of OLED display panel according to claim 5, is characterized in that,
Described OLED display panel is divided into successively the subregion of N number of decile with exterior domain from described central point to central point, the colourity doping content in described subregion increases progressively with exterior domain from described central point successively to central point.
7. the manufacture method of OLED display panel according to claim 6, is characterized in that,
Described N equals 10, described in the step-length that increases progressively be 5%.
8. the manufacture method of display floater according to claim 7, is characterized in that, the chromaticity coordinate variable quantity of described red pixel device meets
, the chromaticity coordinate variable quantity of described green pixel device meets
, the chromaticity coordinate variable quantity of described blue pixel device meets
.
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|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109560116A (en) * | 2018-12-20 | 2019-04-02 | 武汉华星光电半导体显示技术有限公司 | Foldable OLED display panel |
| CN113328044A (en) * | 2021-05-25 | 2021-08-31 | 武汉华星光电技术有限公司 | Display panel, preparation method thereof and display device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020081456A1 (en) * | 2000-10-31 | 2002-06-27 | Sanyo Electric Co., Ltd | Organic electroluminescence element |
| CN1492724A (en) * | 2003-09-28 | 2004-04-28 | 清华大学 | Organic electroluminescence device with improved light-emitting efficiency |
| US20050147844A1 (en) * | 2004-01-05 | 2005-07-07 | Eastman Kodak Company | White oled devices with color filter arrays |
| CN1839493A (en) * | 2003-08-20 | 2006-09-27 | 伊斯曼柯达公司 | White light-emitting device with improved doping |
| WO2011132550A1 (en) * | 2010-04-20 | 2011-10-27 | コニカミノルタホールディングス株式会社 | Organic electroluminescent element, display device, and illumination device |
| CN103178084A (en) * | 2011-12-23 | 2013-06-26 | 乐金显示有限公司 | Organic light emitting display device |
-
2014
- 2014-09-19 CN CN201410480691.XA patent/CN104241331B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020081456A1 (en) * | 2000-10-31 | 2002-06-27 | Sanyo Electric Co., Ltd | Organic electroluminescence element |
| CN1839493A (en) * | 2003-08-20 | 2006-09-27 | 伊斯曼柯达公司 | White light-emitting device with improved doping |
| CN1492724A (en) * | 2003-09-28 | 2004-04-28 | 清华大学 | Organic electroluminescence device with improved light-emitting efficiency |
| US20050147844A1 (en) * | 2004-01-05 | 2005-07-07 | Eastman Kodak Company | White oled devices with color filter arrays |
| WO2011132550A1 (en) * | 2010-04-20 | 2011-10-27 | コニカミノルタホールディングス株式会社 | Organic electroluminescent element, display device, and illumination device |
| CN103178084A (en) * | 2011-12-23 | 2013-06-26 | 乐金显示有限公司 | Organic light emitting display device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109560116A (en) * | 2018-12-20 | 2019-04-02 | 武汉华星光电半导体显示技术有限公司 | Foldable OLED display panel |
| CN109560116B (en) * | 2018-12-20 | 2020-10-27 | 武汉华星光电半导体显示技术有限公司 | Foldable OLED display panel |
| CN113328044A (en) * | 2021-05-25 | 2021-08-31 | 武汉华星光电技术有限公司 | Display panel, preparation method thereof and display device |
| WO2022246876A1 (en) * | 2021-05-25 | 2022-12-01 | 武汉华星光电技术有限公司 | Display panel and preparation method therefor, and display device |
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|---|---|
| CN104241331B (en) | 2017-02-01 |
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